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how long does methadone take to get into your system

A 46-year-old female asked:
Dr. Robert Kent
11 years experience Physical Medicine and Rehabilitation
Unclear on question: Do you mean how long would it take to get to therapeutic levels? That would be within the first day or two, and 80 is a hefty dose. T has a long half ... Read More

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A 33-year-old female asked:
Dr. Chan Hwang
26 years experience Physical Medicine and Rehabilitation
Variable: Methadone takes about three days to fill tissue reservoirs after a person begins taking it. The rate at which methadone leaves a person's body after s ... Read More
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A 39-year-old member asked:
Dr. John Moranville
35 years experience Psychiatry
Variable: Depends on how long you have been on this dose and if you were previously on a higher dose. Half life ranges from 8-59 hrs and may be released very sl ... Read More
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A member asked:
Dr. John Gaffney
24 years experience Psychiatry
Methadone: Methadone is one of those drugs where it's almost impossible to say when it will be completely washed out of your system - essentially because it has ... Read More
A 31-year-old member asked:
Dr. Donald Jacobson
A Verified Doctor answered
A US doctor answered Learn more
Methadone half-life: The half-life of Methadone is 15 to 60 hours. It takes five times the half-life to leave your system. Therefore it could take anywhere between 75 hou ... Read More
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A 48-year-old member asked:
Dr. Tariq Halim
13 years experience Psychiatry
Methadone: It depends on a number of factors: body weight, metabolism, amount used, etc. It is metabolized slowly and can "sit" in fats. The average time it take ... Read More
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A 43-year-old member asked:
Dr. Alan Wartenberg
A Verified Doctor answered
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No: There are many drugs which inhibit methadone metabolism, and increase levels of drug in the bloodstream, There are also drugs which increase metabolis ... Read More
A male asked:
Dr. James Rotchford
40 years experience Addiction Medicine
It depends: Methadone because it stays in the body's fat can remain detectable in the body for extended periods. Hair testing might show its presence for months. ... Read More
A 24-year-old female asked:
Dr. Shah Nawaz
34 years experience Psychiatry
3 days : 3 to 5 days.
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A 26-year-old female asked:
Dr. Lynne Weixel
35 years experience Clinical Psychology
Depends: If this was a one time use, it should be clear in a week, but if it was long-term it's less certain. Half-life range top is 48hrs, so you're probably ... Read More

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